Why do new glasses give me a headache?
Reason for headache caused by glasses and method for alleviating the headache:
1. Adaption to new prescriptionWhen you buy new prescription glasses, the oculist may remind you that new glasses give you a headache, nausea even with correct prescription. The reason is that your eyes need a certain period to adapt to the new prescription. It means new glasses adjustment period called by oculist. How long do eyes take to adjust to new glasses? Usually, it takes 1-2 days for your eyes to be used to the new glasses. If you still have a headache after 2 days, it is may be caused by your wrong prescription. A common mistake may lie in wrong measurement of pupillary distance. How to measure the pupillary distance in a correct way? Please refer to the tutorial: How to Measure Your Pupillary Distance? In case of significant change in prescription or change of progressive lens, it will take 1-2 weeks for you to adjust the eyes. If you still have a headache after more than two weeks, it means your prescription is wrong. In this case, you need to make another optometry or seek help from another optometrist.
Note: Eye fatigue, temporary visual distortion and blurred vision may occur during your adaptation to new glasses. It is a normal phenomenon. These conditions will disappear within 2 or 3 days. For blurred vision problem, please refer to the tutorial: What is blurred vision and how to cure it?
2. Different styles of glasses frame
Shifting from a rectangular frame to a round frame, or vice versa, or from a larger frame to a smaller one, such a circumstance is called the headache from glasses frames. Your eyes may need some time to adapt to the new frame. Even if the new frame does not affect your vision, it will take several days for them to adjust their perception of your face. If you buy a frame with incorrect size, you need to adjust the frame so that you can wear it in a more comfortable way.
3. Eye fatigue
Eye fatigue tends to cause headaches. Moreover, eye fatigue is usually not accompanied by nausea or vomit. After long time of reading or sitting in front of the computer, crystalline lens have to adjust (adapt) frequently for seeing clearly. After a few hours, the eye fatigue will occur, leading to headache. In this case, you should take off your glasses, close your eyes for a rest or look into the distance. Ensure the blood of your eyes to be smoothly flowing.
4. Headache with glasses wearing for the first timeIf it is the first time for you to wear your glasses, your oculist may remind you that you need to take a period to adapt to your new glasses, and you may experience headache, nausea or fatigue in the first few days. Some people may also experience mild dizziness or sensitivity, but such a condition usually occur in the first few days. In addition, your ears, nose and temple must be used to the new device, especially when you wear glasses for the first time. You can try to wear glasses for several hours at a time in the first week to help alleviate your discomfort.
5. New lens material
If you buy new glasses with lens material different from old one, new lenses such as polarization, photochromism or blue blocking lens technology may take some time to adapt for new lens adopting polaroid, phototropy or blue blocking lens technologies.
6. Dry eye syndrome and headache
In case of dye eye syndrome, your eyes may not adapt to the new prescription glasses and is likely to cause a headache. Dry eyes will make you more sensitive to light, causing you to squint, while continuous squinting may lead to muscle tension headache. As a rule, when you feel tired with your eyes, you must take care to have a rest. The best way to rest and adjust is to gaze into the distance, look out of the window, go to the balcony to overlook the distant sight, and view green plants, which is very helpful for relieving the eye fatigue and making an adjustment.